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Current content: 156 511 693 patent documents

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1 026 356 documents amended

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EP 0112165 B1 19861105 - EXTRACTION ZONE FOR LIQUID-LIQUID CONTACTING

Title (en)

EXTRACTION ZONE FOR LIQUID-LIQUID CONTACTING

Publication

EP 0112165 B1 19861105 (EN)

Application

EP 83307598 A 19831214

Priority

US 45035082 A 19821216

Abstract (en)

[origin: EP0112165A1] An improved cascade weir type extraction zone (10) is described in which at least one of the weir means (38,48, 58) is disposed above the respective associated tray (30, 40, 50). This improved extraction zone (10) is of particular utility in lube oil processing operations.

IPC 1-7

B01D 11/04

IPC 8 full level

B01D 11/04 (2006.01); C10G 21/00 (2006.01)

CPC (source: EP US)

B01D 11/043 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 0112165 A1 19840627; EP 0112165 B1 19861105; CA 1215823 A 19861230; DE 3367332 D1 19861211; JP H0380522 B2 19911225; JP S59120203 A 19840711; US 4511537 A 19850416

DOCDB simple family (application)

EP 83307598 A 19831214; CA 443291 A 19831214; DE 3367332 T 19831214; JP 23652083 A 19831216; US 45035082 A 19821216